Datasheet

ADuM5401/ADuM5402/ADuM5403/ADuM5404 Data Sheet
Rev. D | Page 4 of 28
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS—5 V PRIMARY INPUT SUPPLY/5 V SECONDARY ISOLATED SUPPLY
Typical specifications are at T
A
= 25°C, V
DD1
= V
SEL
= V
ISO
= 5 V. Minimum/maximum specifications apply over the entire recommended
operation range which is 4.5 V ≤ V
DD1
, V
SEL
, V
ISO
≤ 5.5 V; and −40°C ≤ T
A
≤ +105°C, unless otherwise noted. Switching specifications are
tested with C
L
= 15 pF and CMOS signal levels, unless otherwise noted.
Table 2. DC-to-DC Converter Static Specifications
Parameter Symbol Min Typ Max Unit Test Conditions/Comments
DC-TO-DC CONVERTER SUPPLY
Setpoint V
ISO
4.7 5.0 5.4 V I
ISO
= 0 mA
Line Regulation V
ISO (LINE)
1 mV/V I
ISO
= 50 mA, V
DD1
= 4.5 V to 5.5 V
Load Regulation V
ISO (LOAD)
1 5 % I
ISO
= 10 mA to 90 mA
Output Ripple V
ISO (RIP)
75 mV p-p 20 MHz bandwidth, C
BO
= 0.1 μF||10 μF, I
ISO
= 90 mA
Output Noise V
ISO (NOISE)
200 mV p-p C
BO
= 0.1 μF||10 μF, I
ISO
= 90 mA
Switching Frequency f
OSC
180 MHz
PWM Frequency f
PWM
625 kHz
Output Supply Current I
ISO (MAX)
100 mA V
ISO
> 4.5 V
Efficiency at I
ISO (MAX)
34 % I
ISO
= 100 mA
I
DD1
, No V
ISO
Load I
DD1 (Q)
19 30 mA
I
DD1
, Full V
ISO
Load I
DD1 (MAX)
290 mA
Table 3. DC-to-DC Converter Dynamic Specifications
Parameter Symbol
1 Mbps—A Grade, C Grade 25 Mbps—C Grade
Unit Test Conditions/Comments Min Typ Max Min Typ Max
SUPPLY CURRENT
Input I
DD1
ADuM5401 19 68 mA No V
ISO
load
ADuM5402 19 71 mA No V
ISO
load
ADuM5403 19 75 mA No V
ISO
load
ADuM5404 19 78 mA No V
ISO
load
Available to Load I
ISO (LOAD)
ADuM5401 100 87 mA
ADuM5402 100 85 mA
ADuM5403 100 83 mA
ADuM5404 100 81 mA
Table 4. Switching Specifications
Parameter Symbol
A Grade C Grade
Unit Test Conditions/Comments Min Typ Max Min Typ Max
SWITCHING SPECIFICATIONS
Data Rate 1 25 Mbps Within PWD limit
Propagation Delay t
PHL
, t
PLH
55 100 45 60 ns 50% input to 50% output
Pulse Width Distortion PWD 40 6 ns |t
PLH
− t
PHL
|
Change vs. Temperature 5 ps/°C
Pulse Width PW 1000 40 ns Within PWD limit
Propagation Delay Skew t
PSK
50 15 ns Between any two units
Channel Matching
Codirectional
1
t
PSKCD
50 6 ns
Opposing Directional
2
t
PSKOD
50 15 ns
1
7Codirectional channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on the same side of the isolation
barrier.
2
Opposing directional channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on opposing sides of the
isolation barrier.
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.